#Materials Permalloy Cross-section Writing China temperature_control Piezo Wang domain_switching HfO2 FailureAnlaysis P3HT AAO Metal Perovskite Barium_titanate DiffractiveOpticalElements INSPParis Hexatriacontane MagneticForceMicroscopy CrossSection kelvin probe force microscopy PatternedSapphireSubstrat Aluminium_Oxide AtomicLayer SSRM nanobar PUR PhaseImaging Tin sulfide PDMS Piezoresponse Sphere tip_bias_mode FAPbI3